ALUMINUM-COMPATIBLE COMPOSITIONS FOR 2-PART ALKALINE DISINFECTANTS AND SANITIZERS
Alkaline in-use solutions that may be used to disinfect and/or sanitize hard surfaces and which may act as anti-biofilm agents, comprise a disinfectant/sanitizer cleaner solution and an activator solution that are mixed together to form the alkaline in-use solutions. Disinfectant/sanitizer cleaner solution may comprise quaternary ammonium compound and hydrogen peroxide. Activator solution may comprise alkaline buffering agent, chelating agent and soluble silicon dioxide.
1 . An alkaline in-use solution comprising:
(a) a disinfectant/sanitizer cleaner solution comprising quaternary ammonium compound and hydrogen peroxide; and
(b) an activator solution comprising alkaline buffering agent, chelating agent and soluble silicon dioxide, wherein the soluble silicon dioxide is present in the activator solution at a weight percentage of the solution of from about 0.1% to about 1% and wherein the pH of the activator solution is from about 8 to about 14;
wherein the alkaline in-use solution comprises disinfectant/sanitizer cleaner solution and activator solution that are mixed together to form the alkaline in-use alkaline solution.
2 . The alkaline in-use solution of claim 1 , wherein the alkaline in-use solution acts a biofilm removal agent.
3 . The alkaline in-use solution of claim 1 , wherein a source of the soluble silicon dioxide in the activator solution is selected from the group of: sodium silicate, potassium silicate and combinations thereof.
4 . The alkaline in-use solution of claim 3 , wherein the sodium silicate is selected from the group of: sodium metasilicate pentahydrate, anhydrous sodium metasilicate and combinations thereof.
5 . The alkaline in-use solution of claim 4 , wherein the sodium silicate is sodium metasilicate pentahydrate and is present in the activator solution at a weight percentage of the solution of from about 0.35% to about 3.5%.
6 . The alkaline in-use solution of claim 4 , wherein the sodium silicate is anhydrous sodium metasilicate and is present in the activator solution at a weight percentage of the solution of from about 0.22% to about 2.2%.
7 . The alkaline in-use solution of claim 3 , wherein the potassium silicate is selected from the group of: potassium metasilicate, anhydrous potassium metasilicate, potassium silicate solution, spray-dried hydrous potassium silicate and combinations thereof.
8 . The alkaline in-use alkaline solution of claim 1 , wherein the disinfectant/sanitizer cleaner solution and the activator solution are mixed together in a ratio of about 1:1 (v/v).
9 . The alkaline in-use solution of claim 1 , wherein the alkaline in-use solution further comprises water and the disinfectant/sanitizer cleaner solution, activator solution and water are mixed together at a ratio of from about 1:1:1 to about 1:1:20 (v/v/v), to form the alkaline in-use solution.
10 . The alkaline in-use alkaline solution of claim 1 , wherein the alkaline in-use solution further comprises water and the disinfectant/sanitizer cleaner solution, activator solution and water are mixed together at a ratio of from about 1:1:64 to about 1:1:128 (v/v/v), to form the alkaline in-use alkaline solution.
11 . An in-use alkaline disinfectant and/or sanitizer solution prepared by mixing with water:
(a) a disinfectant/sanitizer cleaner solution comprising quaternary ammonium compound and hydrogen peroxide; and
(b) an activator solution comprising alkaline buffering agent, chelating agent and soluble silicon dioxide, wherein the soluble silicon dioxide is present in the activator solution at a weight percentage of the solution of from about 0.1% to about 1% and wherein the pH of the activator solution is from about 8 to about 14;
wherein the in-use alkaline disinfectant and/or sanitizer solution has no loss of disinfectant efficacy and/or sanitizer efficacy when compared to an in-use solution comprising the same components minus soluble silicon dioxide.
12 . The alkaline in-use solution of claim 11 , wherein a source of the soluble silicon dioxide in the activator solution is selected from the group of: sodium silicate, potassium silicate and combinations thereof.
13 . The alkaline in-use solution of claim 12 , wherein the sodium silicate is selected from the group of: sodium metasilicate pentahydrate, anhydrous sodium metasilicate and combinations thereof.
14 . The alkaline in-use solution of claim 13 , wherein the sodium silicate is sodium metasilicate pentahydrate and is present in the activator solution at a weight percentage of the solution of from about 0.35% to about 3.5%.
15 . The alkaline in-use solution of claim 13 , wherein the sodium silicate is anhydrous sodium metasilicate and is present in the activator solution at a weight percentage of the solution of from about 0.22% to about 2.2%.
16 . The alkaline in-use solution of claim 12 , wherein the potassium silicate is selected from the group of: potassium metasilicate, anhydrous potassium metasilicate, potassium silicate solution, spray-dried hydrous potassium silicate and combinations thereof.
17 . The alkaline in-use alkaline solution of claim 11 , wherein the disinfectant/sanitizer cleaner solution and the activator solution are mixed together in a ratio of about 1:1 (v/v).
18 . The alkaline in-use solution of claim 11 , wherein the alkaline in-use solution further comprises water and the disinfectant/sanitizer cleaner solution, activator solution and water are mixed together at a ratio of from about 1:1:1 to about 1:1:20 (v/v/v), to form the alkaline in-use solution.
19 . The alkaline in-use alkaline solution of claim 11 , wherein the alkaline in-use solution further comprises water and the disinfectant/sanitizer cleaner solution, activator solution and water are mixed together at a ratio of from about 1:1:64 to about 1:1:128 (v/v/v), to form the alkaline in-use alkaline solution.
20 . An alkaline in-use alkaline solution comprising:
(a) a disinfectant/sanitizer cleaner solution comprising quaternary ammonium compound and hydrogen peroxide; and
(b) an activator solution consisting of by weight percentage of the activator solution:
1. from about 3% to about 8% sodium carbonate;
2. from about 3% to about 8% potassium carbonate;
3. from about 3% to about 8% ethylenediaminetetraacetic acid; and
4. from about 0.1% to about 1% SiO 2 ;
wherein the alkaline in-use solution comprises disinfectant/sanitizer cleaner solution and activator solution that are mixed together to form the alkaline in-use alkaline solution.
21 . The alkaline in-use alkaline solution of claim 20 , wherein the alkaline in-use solution further comprises water and the disinfectant/sanitizer cleaner solution, activator solution and water are mixed together at a ratio of from about 1:1:1 to about 1:1:20 (v/v/v), to form the alkaline in-use alkaline solution.
22 . The alkaline in-use alkaline solution of claim 21 , wherein the alkaline in-use solution further comprises water and the disinfectant/sanitizer cleaner solution, activator solution and water are mixed together at a ratio of from about 1:1:64 to about 1:1:128 (v/v/v), to form the alkaline in-use alkaline solution.
23 . A method of disinfecting and/or sanitizing a substrate, the method comprising the steps of:
(a) forming an alkaline in-use solution by combining:
1. a disinfectant/sanitizer cleaner solution comprising quaternary ammonium compound and hydrogen peroxide; and
2. an activator solution comprising alkaline buffering agent, chelating agent and soluble silicon dioxide, wherein the soluble silicon dioxide is present in the activator solution at a weight percentage of the solution of from about 0.1% to about 1% and wherein the pH of the activator solution is from about 8 to about 14;
(b) applying the in-use solution to the substrate.
24 . The method of disinfecting and/or sanitizing a substrate, the method comprising making the disinfectant/sanitizer cleaner solution by mixing a powder comprising quaternary ammonium compound and hydrogen peroxide source with water.